Heat Treatment Alloy Steel | 30CrNiMo8 Round Bars | 30CrNiMo8 Bright Bars |
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What is 30CrNiMo8 Alloy Steel Round Bars?
30CrNiMo8 material properties are high tensile strength, hardness and wear and tear resistance. 30CrNiMo8 hardness is extreme. National Steel Industries provides 30CrNiMo8 round bars, forged bars, bright bars and other sizes of premium quality. Ready stock material of 30CrNiMo8 in sizes 20mm to 190mm dia. Round bar supplier of 30CrNiMo8 for over two decades. We are one of the most trusted manufacturer and exporter of 30CrNiMo8 grade steel Bars. We offer 30CrNiMo8 round bars in hot rolled and Bright condition.
Heat Treatments such as normalizing, tempering, quenching, etc can be applied to 30CrNiMo8. It is used to make chains, screws, gears, arms, rollers, and other machine parts. 30CrNiMo8 applications are in the fields of Shipbuilding, Aircraft Industry, Mechanical Engineering, Oil Industry, Iron and Steel Industry, etc.
National Steel Industries is the most prominent supplier of 30CrNiMo8 steel. Buy good quality 30CrNiMo8 round bar and 30CrNiMo8 sheets from us which are tested for a variety of parameters and delivered with a material test certificate for complete quality assurance.
30CrNiMo8 Chemical Composition
The Chemical Composition of 30CrNiMo8 contains a carbon content of 0.26 - 0.34 %. The material has an Mn content of 0.5 - 0.8 % which imparts hardness to the material. The contents of P is reduced to 0.025% and S is reduced to 0.035 % max as excess content of P and S can damage the quality of steel and can cause the alloys steel to break at low stresses. There is a high Chromium content of 1.8-2.2 % which adds additional yield and tensile on heat treatment.
Chemical Composition of 30CrNiMo8
C%: 0.26 - 0.34
Si%: max 0.4
Mn%: 0.5 - 0.8
Ni%: 1.8 - 2.2
Cr%: 1.8 - 2.2
Mo%: 0.3 - 0.5
P%: max 0.025
S%: max 0.035
30CrNiMo8 Mechanical Properties
Compared to other grades of steel, 30CrNiMo8 steel has high tensile strength. The 30CrNiMo8 is hard and finds application in hard machine parts. It has good ductility, extreme toughness, and good wear resistance in quenched and tempered conditions.
Tensile Strength 520-1200 MPa
Yield Strength 350-600MPa
Hardness 180-350 HB
30CrNiMo8 Heat Treatments
Forging or hot rolling